[INFO] updating cached repository ithanium/fizzbuzz_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ithanium/fizzbuzz_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ithanium/fizzbuzz_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/ithanium/fizzbuzz_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ithanium/fizzbuzz_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ithanium/fizzbuzz_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ithanium/fizzbuzz_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ithanium/fizzbuzz_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f64c89b98cdf40e9951cd67eba31b638a9d6ee1d
[INFO] sha for GitHub repo ithanium/fizzbuzz_rust: f64c89b98cdf40e9951cd67eba31b638a9d6ee1d
[INFO] validating manifest of ithanium/fizzbuzz_rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ithanium/fizzbuzz_rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ithanium/fizzbuzz_rust
[INFO] finished frobbing ithanium/fizzbuzz_rust
[INFO] frobbed toml for ithanium/fizzbuzz_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/ithanium/fizzbuzz_rust/Cargo.toml
[INFO] started frobbing ithanium/fizzbuzz_rust
[INFO] finished frobbing ithanium/fizzbuzz_rust
[INFO] frobbed toml for ithanium/fizzbuzz_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ithanium/fizzbuzz_rust/Cargo.toml
[INFO] crate ithanium/fizzbuzz_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ithanium/fizzbuzz_rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ithanium/fizzbuzz_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bf58e8b130fb4e425dd8c83e0df8fcda72afe71d321c61a79e1fbd537f9a16c6
[INFO] running `"docker" "start" "-a" "bf58e8b130fb4e425dd8c83e0df8fcda72afe71d321c61a79e1fbd537f9a16c6"`
[INFO] [stderr]    Compiling fizzbuzz_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "bf58e8b130fb4e425dd8c83e0df8fcda72afe71d321c61a79e1fbd537f9a16c6"`
[INFO] running `"docker" "rm" "-f" "bf58e8b130fb4e425dd8c83e0df8fcda72afe71d321c61a79e1fbd537f9a16c6"`
[INFO] [stdout] bf58e8b130fb4e425dd8c83e0df8fcda72afe71d321c61a79e1fbd537f9a16c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ithanium/fizzbuzz_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3daac731d42996d8bcaab57f706f7668b8f9b71308d6b5b4461c398f027a67eb
[INFO] running `"docker" "start" "-a" "3daac731d42996d8bcaab57f706f7668b8f9b71308d6b5b4461c398f027a67eb"`
[INFO] [stderr]    Compiling fizzbuzz_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "3daac731d42996d8bcaab57f706f7668b8f9b71308d6b5b4461c398f027a67eb"`
[INFO] running `"docker" "rm" "-f" "3daac731d42996d8bcaab57f706f7668b8f9b71308d6b5b4461c398f027a67eb"`
[INFO] [stdout] 3daac731d42996d8bcaab57f706f7668b8f9b71308d6b5b4461c398f027a67eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ithanium/fizzbuzz_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6301288baa16140e02b137dd21d36941102fe3a2b647ea516d2c43f4c02c0a2d
[INFO] running `"docker" "start" "-a" "6301288baa16140e02b137dd21d36941102fe3a2b647ea516d2c43f4c02c0a2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz_rust-34192e858e0e42c5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6301288baa16140e02b137dd21d36941102fe3a2b647ea516d2c43f4c02c0a2d"`
[INFO] running `"docker" "rm" "-f" "6301288baa16140e02b137dd21d36941102fe3a2b647ea516d2c43f4c02c0a2d"`
[INFO] [stdout] 6301288baa16140e02b137dd21d36941102fe3a2b647ea516d2c43f4c02c0a2d